This article aims to show the significance of branding in achieving set marketing goals and ensuring the sustainable development of a selected education and research library as a non-profit organization. The research is based on available data from foreign research studies concerning the image of a brand and the branding of non-profit organizations, and expands on them by utilizing other methods of brand image measurement. A survey involving a sample of 220 respondents was conducted at the particular site, taking into account the library’s target segments. Also utilized in evaluating the library’s image was an analysis of the awareness and favorability of its brand. The library has recently undergone a rebranding process and is applying a n...